class_docstr: Class to define vertex box boundaries that will be accounted for during
  graph building by grandalf.
  
  Args:
      name (str): name of the vertex.
class_docstr_tok: ["Class","to","define","vertex","box","boundaries","that","will","be","accounted","for","during","graph","building","by","grandalf",".","Args",":","name","(","str",")",":","name","of","the","vertex","."]
docstr: Height of the box.
docstr_tok: ["Height","of","the","box","."]
code: def h(self):
      """Height of the box."""
      return self._h
  
file_path: dvc/dvc/dagascii.py
imports: import math
  import os
  from grandalf.graphs import Edge, Graph, Vertex
  from grandalf.layouts import SugiyamaLayout
  from grandalf.routing import EdgeViewer, route_with_lines
  from dvc.log import logger
label_desc: Use image node_id 2 for calling the VertexViewer obj's underlying member method code with example usage: obj.h() and returns: self